<template>
  <div style="padding: 20px;">
    <div class="topLocation">请假申请管理 / 请假申请</div>
    <div class="topTool">
      <div class="group">申请者姓名：</div>
      <el-input v-model="searchName" placeholder="请输入申请者姓名" style="margin-right: 50px;"></el-input>
      <div class="group">申请者类型：</div>
      <el-select v-model="searchType" placeholder="请选择申请者类型" style="margin-right: 50px;">
        <el-option label="球员" value="球员"></el-option>
        <el-option label="教练" value="教练"></el-option>
        <el-option label="所有类型" value=""></el-option>
      </el-select>
      <div class="group">请假类型：</div>
      <el-input v-model="searchLeaveType" placeholder="请输入请假类型" style="margin-right: 50px;"></el-input>
      <div class="group">申请状态：</div>
      <el-select v-model="searchStatus" placeholder="请选择审批状态">
        <el-option label="未通过" value="未通过"></el-option>
        <el-option label="通过" value="通过"></el-option>
        <el-option label="所有状态" value=""></el-option>
      </el-select>
      <el-button type="primary" :icon="Search" @click="handleSearch">查询</el-button>
      <el-button type="primary" :icon="Plus" @click="handleAdd">添加</el-button>
      <el-button type="danger" :icon="Delete" @click="handleDelList" v-if="multipleSelection.length > 0">删除自己的审批</el-button>
    </div>
    <el-table
        :data="leaveData"
        :header-cell-style="{ background: '#f6f9fa'}"
        @sort-change="handleSortChange"
        empty-text="暂无数据"
        @selection-change="handleSelectionChange">
      <el-table-column type="selection"/>
      <el-table-column prop="leaveId" label="id"  sortable></el-table-column>
      <el-table-column prop="applicantName" label="申请者姓名" ></el-table-column>
      <el-table-column prop="applicantType" label="申请者类型" ></el-table-column>
      <el-table-column prop="leaveType" label="请假类型" ></el-table-column>
      <el-table-column prop="startDate" label="开始日期"  :formatter="formatDate"></el-table-column>
      <el-table-column prop="endDate" label="结束日期"  :formatter="formatDate"></el-table-column>
      <el-table-column prop="reason" label="请假理由" ></el-table-column>
      <el-table-column prop="status" label="审批状态" ></el-table-column>
      <el-table-column prop="createdAt" label="创建日期"  :formatter="formatDate"></el-table-column>
      <el-table-column label="操作" width="180">
        <template #default="{ row }">
          <el-button type="primary" :icon="Edit" size="small" @click="handleEdit(row)">编辑</el-button>
          <el-button type="danger" :icon="Delete" size="small" @click="handleDelete(row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件 -->
    <el-pagination
        background
        v-model:currentPage="currentPage"
        v-model:pageSize="pageSize"
        :page-sizes="[5, 10, 20]"
        :total="total"
        layout="prev, pager, next, sizes"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
    />

    <!-- 请假信息弹窗 -->
    <el-dialog v-model="dialogFormVisible" :title="dialogTitle">
      <el-form :model="form" label-width="100px">
        <el-form-item label="请假类型">
          <el-input v-model="form.leaveType" autocomplete="off"/>
        </el-form-item>
        <el-form-item label="开始日期">
          <el-date-picker
              v-model="form.startDate"
              type="date"
              placeholder="选择日期"
              style="width: 100%;"
              :picker-options="{ firstDayOfWeek: 1 }"
          />
        </el-form-item>
        <el-form-item label="结束日期">
          <el-date-picker
              v-model="form.endDate"
              type="date"
              placeholder="选择日期"
              style="width: 100%;"
              :picker-options="{ firstDayOfWeek: 1 }"
          />
        </el-form-item>
        <el-form-item label="请假理由">
          <el-input v-model="form.reason" autocomplete="off"/>
        </el-form-item>
      </el-form>

      <!-- 弹窗底部按钮 -->
      <template #footer>
      <span class="dialog-footer">
        <el-button type="primary" @click="dialogOk">确定</el-button>
        <el-button @click="dialogFormVisible = false">取消</el-button>
      </span>
      </template>
    </el-dialog>

  </div>
</template>

<script setup lang="ts">
import axios from 'axios';
import {ref, onMounted, computed} from 'vue';
import { ElMessage, ElMessageBox } from 'element-plus';
import {Delete, Edit, Plus, Search} from "@element-plus/icons-vue";
import {useRoute} from "vue-router";

// 响应式变量
const leaveData = ref([]);
const currentPage = ref(1);
const pageSize = ref(5);
const total = ref(0);
const searchName = ref('');
const searchType = ref('');
const searchLeaveType = ref('');
const searchStatus = ref('');

// 通过 useRoute 获取路由参数
const route = useRoute();
const username=ref(route.query.username ? String(route.query.username) : '');
const name = ref(route.query.name ? String(route.query.name) : '');
const role = ref(route.query.role ? String(route.query.role) : '');

// 日期格式化函数
const formatDate = (row, column, cellValue) => {
  if (!cellValue) return '无日期';
  const date = new Date(cellValue);
  if (isNaN(date.getTime())) {
    return '无效日期';
  }
  return date.toLocaleDateString();
};

// 组件挂载时加载数据
onMounted(() => {
  getData();
});

// 获取数据
const getData = () => {
  axios.get('http://localhost:8080/leave/page', {
    params: {
      pageNum: currentPage.value,
      pageSize: pageSize.value,
      name: searchName.value,
      type: searchType.value,
      leaveType: searchLeaveType.value,
      status: searchStatus.value
    }
  }).then(response => {
    leaveData.value = response.data.records;
    total.value = response.data.total;
  }).catch(error => {
    console.error(error);
  });
};

const handleCurrentChange = (pageNum) => {
  currentPage.value = pageNum;
  getData();
};

const handleSizeChange = (size) => {
  pageSize.value = size;
  getData();
};
// 删除操作
const handleDelete = (row) => {
  if (row.applicantName === name.value) {
    ElMessageBox.confirm(
        '您确定要删除申请者姓名为【' + row.applicantName + '】的请假申请吗?',
        '危险操作',
    ).then(() => {
      delrow(row.leaveId);
      ElMessage({
        type: 'success',
        message: '完成删除！',
      });
    }).catch(() => {
      ElMessage({
        type: 'info',
        message: '取消删除!',
      });
    });
  } else {
    ElMessage.warning('您没有权限删除此申请人的信息！');
  }
};

// 删除请求
const delrow = (leaveId) => {
  axios.delete(`http://localhost:8080/leave/delete/${leaveId}`)
      .then(response => {
        getData();
      })
      .catch(error => {
        console.error(error);
      });
};

//查询
const handleSearch = () => {
  const params = {
    applicantName: searchName.value || null,
    applicantType: searchType.value || null,
    leaveType: searchLeaveType.value || null,
    status: searchStatus.value || null
  };
  axios.get('http://localhost:8080/leave/search', { params })
      .then(response => {
        leaveData.value = response.data;
        total.value = response.data.length;
      })
      .catch(error => {
        console.error(error);
        ElMessage.error('查询失败');
      });
};

// 字段排序
const handleSortChange = (sortData) => {
  const { prop, order } = sortData;
  leaveData.value = leaveData.value.sort((a, b) => {
    if (order === 'ascending') {
      return a[prop] > b[prop] ? 1 : -1;
    } else {
      return a[prop] < b[prop] ? 1 : -1;
    }
  });
};

// 创建响应式变量multipleSelection，用于存储当前选中的数据行
let multipleSelection = ref([]);

// 处理表格行选中状态变化的方法，val是当前选中的数据行数组
const handleSelectionChange = (val) => {
  // 清空数组，确保每次更新都是最新选中状态
  multipleSelection.value = [];
  val.forEach(item => {
    // 只存储申请人姓名与name匹配的数据的id
    if (item.applicantName === name.value) {
      multipleSelection.value.push(item.leaveId);
    }
  });
};

// 批量删除
const handleDelList = () => {
  ElMessageBox.confirm(
      '您确定要删除选择的请假申请吗?',
      '危险操作',
  ).then(() => {
    // 获取符合条件的leaveIds
    const leaveIds = multipleSelection.value;
    axios.delete(`http://localhost:8080/leave/delete/batch`, { data: leaveIds })
        .then(response => {
          getData();
          ElMessage({ type: 'success', message: '完成有关自己的批量删除！' });
        })
        .catch(error => {
          console.error(error);
          ElMessage({ type: 'error', message: '删除失败！' });
        });
  }).catch(() => {
    ElMessage({ type: 'info', message: '取消删除!' });
  });
};

// 弹窗相关变量
const dialogFormVisible = ref(false); // 控制弹窗显示
const form = ref({
  leaveId: '',
  applicantName: '',
  applicantType: '',
  leaveType: '',
  startDate: '',
  endDate: '',
  reason: '',
  status: '', // 默认不设置初始值
  createdAt: '', // 默认不设置初始值
}); // 表单数据
const dialogType = ref('add'); // 初始化弹出框的类型为增加弹窗

// 处理添加按钮点击事件
const handleAdd = () => {
  dialogFormVisible.value = true;
  dialogType.value = 'add';
  // 设置表单默认值
  form.value = {
    leaveId: '',
    applicantName: name.value,
    applicantType: role.value,
    leaveType: '',
    startDate: '',
    endDate: '',
    reason: '',
    status: '未通过', // 默认为未通过
    createdAt: new Date().toISOString(), // 当前时间
  };
};

// 设置弹窗的标题
const dialogTitle = computed(() => {
  return dialogType.value === 'add' ? '新增请假信息' : '编辑请假信息';
});

// 确定按钮点击事件
const dialogOk = () => {
  dialogFormVisible.value = false;
  if (dialogType.value === 'add') {
    addLeave();
  } else {
    updateLeave();
  }
};

// 添加请假信息
const addLeave = () => {
  const newLeave = { ...form.value };
  axios.post('http://localhost:8080/leave/add', newLeave)
      .then(response => {
        ElMessage.success('添加请假信息成功');
        getData(); // 在添加数据后调用获取数据的方法
      })
      .catch(error => {
        ElMessage.error('添加请假信息失败');
        console.error(error);
      });
};

// 处理编辑按钮点击事件
const handleEdit = (row) => {
  // 只有申请人姓名与接收到的 name 匹配的数据且状态不是 "通过" 才能编辑
  if (row.applicantName === name.value && row.status !== '通过') {
    form.value = { ...row };
    dialogType.value = 'edit';
    dialogFormVisible.value = true;
  } else {
    if (row.status === '通过') {
      ElMessage.warning('已通过的申请不能再编辑！');
    } else {
      ElMessage.warning('您没有权限编辑此申请人的信息！');
    }
  }
};

// 更新请假信息
const updateLeave = () => {
  const leaveId = form.value.leaveId;
  const updatedLeave = { ...form.value };
  // 只有申请人姓名与接收到的 name 匹配的数据才能更新
  if (form.value.applicantName === name.value) {
    axios.put(`http://localhost:8080/leave/update/${leaveId}`, updatedLeave)
        .then(response => {
          ElMessage.success('修改请假信息成功');
          getData(); // 更新表格显示
        })
        .catch(error => {
          ElMessage.error('修改请假信息失败');
          console.error(error);
        });
  } else {
    ElMessage.warning('您没有权限更新此申请人的信息！');
  }
};

</script>

<style scoped>
.topLocation {
  font-size: 16px;
  font-weight: bold;
  color: #000; /* 文字颜色为黑色 */
  padding: 10px;
  border-bottom: 2px solid #000; /* 底部边框，黑色 */
  display: flex;
  align-items: center; /* 垂直居中对齐 */
  justify-content: flex-start; /* 左对齐 */
  margin-bottom: 20px; /* 增加距离 */
}

.topTool {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.el-pagination {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.group {
  white-space: nowrap; /* 防止文字换行 */
  font-size: 14px;     /* 设置字体大小为 14px */
}
</style>
